Campbell and Fiske (1959) developed four criteria of construct validity when measures of more than one trait are obtained with more than one method. In this study these criteria are compared with two other procedures--an analysis of variance (ANOVA) model and confirmatory factor analysis--for analyzing multitrait-multimethod (MTMM) data. The principle advantage of the ANOVA model is a convenient summary and test of convergent, divergent and method/halo effects. However, the limitations of this approach are even more numerous than those encountered with the Campbell-Fiske criteria, and so the ANOVA approach should only be used to supplement other procedures. Confirmatory factor analysis provides a direct test of the statistical significance and importance of various trait and method factors. The size of factor loadings provide a convenient description of the magnitude of method and trait effects. By constraining various parameters the researcher may formulate and test alternative configurations of method and trait factors. Consequently, confirmatory factor analysis offers the advantages of both the other approaches without many of their limitations, and is the recommended procedure for analyzing MTMM data. (Author/BW)